COIL operation with iodine atoms generated in a glow discharge

P. A. Mikheyev; M. V. Zagidullin; N. I. Ufimtsev; N. A. Khvatov; A. I. Voronov; V. N. Azyazov

doi:10.1117/12.880051

12 November 2010 COIL operation with iodine atoms generated in a glow discharge

P. A. Mikheyev, M. V. Zagidullin, N. I. Ufimtsev, N. A. Khvatov, A. I. Voronov, V. N. Azyazov

Proceedings Volume 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 775105 (2010) https://doi.org/10.1117/12.880051
Event: 18th International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2010, Sofia, Bulgaria

Abstract

Experiments were carried out with a subsonic chemical oxygen-iodine laser (COIL), equipped with an electric discharge generator of iodine atoms. CH₃I entrained in a carrier flow of Ar was used as atomic iodine precursor. About 50% of iodine contained in CH₃I molecules was extracted in the generator. Up to 3.5% of electric power loaded into the discharge was spent on CH₃I dissociation. A straightforward comparison of COIL performance for two cases - conventional, when I₂ was injected in the singlet oxygen flow and when iodine atoms produced externally together with other discharge products were injected - was made. In the latter case nearly four times increase in output power was observed.

Citation Download Citation

P. A. Mikheyev, M. V. Zagidullin, N. I. Ufimtsev, N. A. Khvatov, A. I. Voronov, and V. N. Azyazov "COIL operation with iodine atoms generated in a glow discharge", Proc. SPIE 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 775105 (12 November 2010); https://doi.org/10.1117/12.880051

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